diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/idea')
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/idea/i_cbc.c | 168 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/idea/i_cfb64.c | 122 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/idea/i_ecb.c | 85 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/idea/i_ofb64.c | 111 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/idea/i_skey.c | 174 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/idea/idea_lcl.h | 215 |
6 files changed, 875 insertions, 0 deletions
diff --git a/Cryptlib/OpenSSL/crypto/idea/i_cbc.c b/Cryptlib/OpenSSL/crypto/idea/i_cbc.c new file mode 100755 index 00000000..ecb9cb8b --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/idea/i_cbc.c @@ -0,0 +1,168 @@ +/* crypto/idea/i_cbc.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <openssl/idea.h> +#include "idea_lcl.h" + +void idea_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, + IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int encrypt) + { + register unsigned long tin0,tin1; + register unsigned long tout0,tout1,xor0,xor1; + register long l=length; + unsigned long tin[2]; + + if (encrypt) + { + n2l(iv,tout0); + n2l(iv,tout1); + iv-=8; + for (l-=8; l>=0; l-=8) + { + n2l(in,tin0); + n2l(in,tin1); + tin0^=tout0; + tin1^=tout1; + tin[0]=tin0; + tin[1]=tin1; + idea_encrypt(tin,ks); + tout0=tin[0]; l2n(tout0,out); + tout1=tin[1]; l2n(tout1,out); + } + if (l != -8) + { + n2ln(in,tin0,tin1,l+8); + tin0^=tout0; + tin1^=tout1; + tin[0]=tin0; + tin[1]=tin1; + idea_encrypt(tin,ks); + tout0=tin[0]; l2n(tout0,out); + tout1=tin[1]; l2n(tout1,out); + } + l2n(tout0,iv); + l2n(tout1,iv); + } + else + { + n2l(iv,xor0); + n2l(iv,xor1); + iv-=8; + for (l-=8; l>=0; l-=8) + { + n2l(in,tin0); tin[0]=tin0; + n2l(in,tin1); tin[1]=tin1; + idea_encrypt(tin,ks); + tout0=tin[0]^xor0; + tout1=tin[1]^xor1; + l2n(tout0,out); + l2n(tout1,out); + xor0=tin0; + xor1=tin1; + } + if (l != -8) + { + n2l(in,tin0); tin[0]=tin0; + n2l(in,tin1); tin[1]=tin1; + idea_encrypt(tin,ks); + tout0=tin[0]^xor0; + tout1=tin[1]^xor1; + l2nn(tout0,tout1,out,l+8); + xor0=tin0; + xor1=tin1; + } + l2n(xor0,iv); + l2n(xor1,iv); + } + tin0=tin1=tout0=tout1=xor0=xor1=0; + tin[0]=tin[1]=0; + } + +void idea_encrypt(unsigned long *d, IDEA_KEY_SCHEDULE *key) + { + register IDEA_INT *p; + register unsigned long x1,x2,x3,x4,t0,t1,ul; + + x2=d[0]; + x1=(x2>>16); + x4=d[1]; + x3=(x4>>16); + + p= &(key->data[0][0]); + + E_IDEA(0); + E_IDEA(1); + E_IDEA(2); + E_IDEA(3); + E_IDEA(4); + E_IDEA(5); + E_IDEA(6); + E_IDEA(7); + + x1&=0xffff; + idea_mul(x1,x1,*p,ul); p++; + + t0= x3+ *(p++); + t1= x2+ *(p++); + + x4&=0xffff; + idea_mul(x4,x4,*p,ul); + + d[0]=(t0&0xffff)|((x1&0xffff)<<16); + d[1]=(x4&0xffff)|((t1&0xffff)<<16); + } diff --git a/Cryptlib/OpenSSL/crypto/idea/i_cfb64.c b/Cryptlib/OpenSSL/crypto/idea/i_cfb64.c new file mode 100755 index 00000000..66d49d52 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/idea/i_cfb64.c @@ -0,0 +1,122 @@ +/* crypto/idea/i_cfb64.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <openssl/idea.h> +#include "idea_lcl.h" + +/* The input and output encrypted as though 64bit cfb mode is being + * used. The extra state information to record how much of the + * 64bit block we have used is contained in *num; + */ + +void idea_cfb64_encrypt(const unsigned char *in, unsigned char *out, + long length, IDEA_KEY_SCHEDULE *schedule, + unsigned char *ivec, int *num, int encrypt) + { + register unsigned long v0,v1,t; + register int n= *num; + register long l=length; + unsigned long ti[2]; + unsigned char *iv,c,cc; + + iv=(unsigned char *)ivec; + if (encrypt) + { + while (l--) + { + if (n == 0) + { + n2l(iv,v0); ti[0]=v0; + n2l(iv,v1); ti[1]=v1; + idea_encrypt((unsigned long *)ti,schedule); + iv=(unsigned char *)ivec; + t=ti[0]; l2n(t,iv); + t=ti[1]; l2n(t,iv); + iv=(unsigned char *)ivec; + } + c= *(in++)^iv[n]; + *(out++)=c; + iv[n]=c; + n=(n+1)&0x07; + } + } + else + { + while (l--) + { + if (n == 0) + { + n2l(iv,v0); ti[0]=v0; + n2l(iv,v1); ti[1]=v1; + idea_encrypt((unsigned long *)ti,schedule); + iv=(unsigned char *)ivec; + t=ti[0]; l2n(t,iv); + t=ti[1]; l2n(t,iv); + iv=(unsigned char *)ivec; + } + cc= *(in++); + c=iv[n]; + iv[n]=cc; + *(out++)=c^cc; + n=(n+1)&0x07; + } + } + v0=v1=ti[0]=ti[1]=t=c=cc=0; + *num=n; + } + diff --git a/Cryptlib/OpenSSL/crypto/idea/i_ecb.c b/Cryptlib/OpenSSL/crypto/idea/i_ecb.c new file mode 100755 index 00000000..fef38230 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/idea/i_ecb.c @@ -0,0 +1,85 @@ +/* crypto/idea/i_ecb.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <openssl/idea.h> +#include "idea_lcl.h" +#include <openssl/opensslv.h> + +const char IDEA_version[]="IDEA" OPENSSL_VERSION_PTEXT; + +const char *idea_options(void) + { + if (sizeof(short) != sizeof(IDEA_INT)) + return("idea(int)"); + else + return("idea(short)"); + } + +void idea_ecb_encrypt(const unsigned char *in, unsigned char *out, + IDEA_KEY_SCHEDULE *ks) + { + unsigned long l0,l1,d[2]; + + n2l(in,l0); d[0]=l0; + n2l(in,l1); d[1]=l1; + idea_encrypt(d,ks); + l0=d[0]; l2n(l0,out); + l1=d[1]; l2n(l1,out); + l0=l1=d[0]=d[1]=0; + } + diff --git a/Cryptlib/OpenSSL/crypto/idea/i_ofb64.c b/Cryptlib/OpenSSL/crypto/idea/i_ofb64.c new file mode 100755 index 00000000..e749e88e --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/idea/i_ofb64.c @@ -0,0 +1,111 @@ +/* crypto/idea/i_ofb64.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <openssl/idea.h> +#include "idea_lcl.h" + +/* The input and output encrypted as though 64bit ofb mode is being + * used. The extra state information to record how much of the + * 64bit block we have used is contained in *num; + */ +void idea_ofb64_encrypt(const unsigned char *in, unsigned char *out, + long length, IDEA_KEY_SCHEDULE *schedule, + unsigned char *ivec, int *num) + { + register unsigned long v0,v1,t; + register int n= *num; + register long l=length; + unsigned char d[8]; + register char *dp; + unsigned long ti[2]; + unsigned char *iv; + int save=0; + + iv=(unsigned char *)ivec; + n2l(iv,v0); + n2l(iv,v1); + ti[0]=v0; + ti[1]=v1; + dp=(char *)d; + l2n(v0,dp); + l2n(v1,dp); + while (l--) + { + if (n == 0) + { + idea_encrypt((unsigned long *)ti,schedule); + dp=(char *)d; + t=ti[0]; l2n(t,dp); + t=ti[1]; l2n(t,dp); + save++; + } + *(out++)= *(in++)^d[n]; + n=(n+1)&0x07; + } + if (save) + { + v0=ti[0]; + v1=ti[1]; + iv=(unsigned char *)ivec; + l2n(v0,iv); + l2n(v1,iv); + } + t=v0=v1=ti[0]=ti[1]=0; + *num=n; + } + diff --git a/Cryptlib/OpenSSL/crypto/idea/i_skey.c b/Cryptlib/OpenSSL/crypto/idea/i_skey.c new file mode 100755 index 00000000..fa75b144 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/idea/i_skey.c @@ -0,0 +1,174 @@ +/* crypto/idea/i_skey.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <openssl/idea.h> +#include <openssl/crypto.h> +#ifdef OPENSSL_FIPS +#include <openssl/fips.h> +#endif + +#include "idea_lcl.h" + +static IDEA_INT inverse(unsigned int xin); + +#ifdef OPENSSL_FIPS +void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks) + { + if (FIPS_mode()) + FIPS_BAD_ABORT(IDEA) + private_idea_set_encrypt_key(key, ks); + } +void private_idea_set_encrypt_key(const unsigned char *key, + IDEA_KEY_SCHEDULE *ks) +#else +void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks) +#endif + { + int i; + register IDEA_INT *kt,*kf,r0,r1,r2; + + kt= &(ks->data[0][0]); + n2s(key,kt[0]); n2s(key,kt[1]); n2s(key,kt[2]); n2s(key,kt[3]); + n2s(key,kt[4]); n2s(key,kt[5]); n2s(key,kt[6]); n2s(key,kt[7]); + + kf=kt; + kt+=8; + for (i=0; i<6; i++) + { + r2= kf[1]; + r1= kf[2]; + *(kt++)= ((r2<<9) | (r1>>7))&0xffff; + r0= kf[3]; + *(kt++)= ((r1<<9) | (r0>>7))&0xffff; + r1= kf[4]; + *(kt++)= ((r0<<9) | (r1>>7))&0xffff; + r0= kf[5]; + *(kt++)= ((r1<<9) | (r0>>7))&0xffff; + r1= kf[6]; + *(kt++)= ((r0<<9) | (r1>>7))&0xffff; + r0= kf[7]; + *(kt++)= ((r1<<9) | (r0>>7))&0xffff; + r1= kf[0]; + if (i >= 5) break; + *(kt++)= ((r0<<9) | (r1>>7))&0xffff; + *(kt++)= ((r1<<9) | (r2>>7))&0xffff; + kf+=8; + } + } + +void idea_set_decrypt_key(const IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk) + { + int r; + register IDEA_INT *tp,t; + const IDEA_INT *fp; + + tp= &(dk->data[0][0]); + fp= &(ek->data[8][0]); + for (r=0; r<9; r++) + { + *(tp++)=inverse(fp[0]); + *(tp++)=((int)(0x10000L-fp[2])&0xffff); + *(tp++)=((int)(0x10000L-fp[1])&0xffff); + *(tp++)=inverse(fp[3]); + if (r == 8) break; + fp-=6; + *(tp++)=fp[4]; + *(tp++)=fp[5]; + } + + tp= &(dk->data[0][0]); + t=tp[1]; + tp[1]=tp[2]; + tp[2]=t; + + t=tp[49]; + tp[49]=tp[50]; + tp[50]=t; + } + +/* taken directly from the 'paper' I'll have a look at it later */ +static IDEA_INT inverse(unsigned int xin) + { + long n1,n2,q,r,b1,b2,t; + + if (xin == 0) + b2=0; + else + { + n1=0x10001; + n2=xin; + b2=1; + b1=0; + + do { + r=(n1%n2); + q=(n1-r)/n2; + if (r == 0) + { if (b2 < 0) b2=0x10001+b2; } + else + { + n1=n2; + n2=r; + t=b2; + b2=b1-q*b2; + b1=t; + } + } while (r != 0); + } + return((IDEA_INT)b2); + } diff --git a/Cryptlib/OpenSSL/crypto/idea/idea_lcl.h b/Cryptlib/OpenSSL/crypto/idea/idea_lcl.h new file mode 100644 index 00000000..f3dbfa67 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/idea/idea_lcl.h @@ -0,0 +1,215 @@ +/* crypto/idea/idea_lcl.h */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +/* The new form of this macro (check if the a*b == 0) was suggested by + * Colin Plumb <colin@nyx10.cs.du.edu> */ +/* Removal of the inner if from from Wei Dai 24/4/96 */ +#define idea_mul(r,a,b,ul) \ +ul=(unsigned long)a*b; \ +if (ul != 0) \ + { \ + r=(ul&0xffff)-(ul>>16); \ + r-=((r)>>16); \ + } \ +else \ + r=(-(int)a-b+1); /* assuming a or b is 0 and in range */ + +#ifdef undef +#define idea_mul(r,a,b,ul,sl) \ +if (a == 0) r=(0x10001-b)&0xffff; \ +else if (b == 0) r=(0x10001-a)&0xffff; \ +else { \ + ul=(unsigned long)a*b; \ + sl=(ul&0xffff)-(ul>>16); \ + if (sl <= 0) sl+=0x10001; \ + r=sl; \ + } +#endif + +/* 7/12/95 - Many thanks to Rhys Weatherley <rweather@us.oracle.com> + * for pointing out that I was assuming little endian + * byte order for all quantities what idea + * actually used bigendian. No where in the spec does it mention + * this, it is all in terms of 16 bit numbers and even the example + * does not use byte streams for the input example :-(. + * If you byte swap each pair of input, keys and iv, the functions + * would produce the output as the old version :-(. + */ + +/* NOTE - c is not incremented as per n2l */ +#define n2ln(c,l1,l2,n) { \ + c+=n; \ + l1=l2=0; \ + switch (n) { \ + case 8: l2 =((unsigned long)(*(--(c)))) ; \ + case 7: l2|=((unsigned long)(*(--(c))))<< 8; \ + case 6: l2|=((unsigned long)(*(--(c))))<<16; \ + case 5: l2|=((unsigned long)(*(--(c))))<<24; \ + case 4: l1 =((unsigned long)(*(--(c)))) ; \ + case 3: l1|=((unsigned long)(*(--(c))))<< 8; \ + case 2: l1|=((unsigned long)(*(--(c))))<<16; \ + case 1: l1|=((unsigned long)(*(--(c))))<<24; \ + } \ + } + +/* NOTE - c is not incremented as per l2n */ +#define l2nn(l1,l2,c,n) { \ + c+=n; \ + switch (n) { \ + case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \ + case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ + case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ + case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ + case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \ + case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ + case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ + case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ + } \ + } + +#undef n2l +#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \ + l|=((unsigned long)(*((c)++)))<<16L, \ + l|=((unsigned long)(*((c)++)))<< 8L, \ + l|=((unsigned long)(*((c)++)))) + +#undef l2n +#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ + *((c)++)=(unsigned char)(((l) )&0xff)) + +#undef s2n +#define s2n(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8L)&0xff)) + +#undef n2s +#define n2s(c,l) (l =((IDEA_INT)(*((c)++)))<< 8L, \ + l|=((IDEA_INT)(*((c)++))) ) + +#ifdef undef +/* NOTE - c is not incremented as per c2l */ +#define c2ln(c,l1,l2,n) { \ + c+=n; \ + l1=l2=0; \ + switch (n) { \ + case 8: l2 =((unsigned long)(*(--(c))))<<24; \ + case 7: l2|=((unsigned long)(*(--(c))))<<16; \ + case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ + case 5: l2|=((unsigned long)(*(--(c)))); \ + case 4: l1 =((unsigned long)(*(--(c))))<<24; \ + case 3: l1|=((unsigned long)(*(--(c))))<<16; \ + case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ + case 1: l1|=((unsigned long)(*(--(c)))); \ + } \ + } + +/* NOTE - c is not incremented as per l2c */ +#define l2cn(l1,l2,c,n) { \ + c+=n; \ + switch (n) { \ + case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ + case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ + case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ + case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ + case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ + case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ + case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ + case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ + } \ + } + +#undef c2s +#define c2s(c,l) (l =((unsigned long)(*((c)++))) , \ + l|=((unsigned long)(*((c)++)))<< 8L) + +#undef s2c +#define s2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8L)&0xff)) + +#undef c2l +#define c2l(c,l) (l =((unsigned long)(*((c)++))) , \ + l|=((unsigned long)(*((c)++)))<< 8L, \ + l|=((unsigned long)(*((c)++)))<<16L, \ + l|=((unsigned long)(*((c)++)))<<24L) + +#undef l2c +#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>24L)&0xff)) +#endif + +#define E_IDEA(num) \ + x1&=0xffff; \ + idea_mul(x1,x1,*p,ul); p++; \ + x2+= *(p++); \ + x3+= *(p++); \ + x4&=0xffff; \ + idea_mul(x4,x4,*p,ul); p++; \ + t0=(x1^x3)&0xffff; \ + idea_mul(t0,t0,*p,ul); p++; \ + t1=(t0+(x2^x4))&0xffff; \ + idea_mul(t1,t1,*p,ul); p++; \ + t0+=t1; \ + x1^=t1; \ + x4^=t0; \ + ul=x2^t0; /* do the swap to x3 */ \ + x2=x3^t1; \ + x3=ul; + |